html,body{
  background-color: #fff;
}

.wrap{
  font-family: Tahoma,Arial,Verdana,Simsun;
  font-size: 12px;
  color: #666;
  margin-left: auto;
  margin-right: auto;
  background-color: #f6f6f6;
  padding: 15px 0 20px 0px;
  width: 1200px;
  .m_wrapper{
    font-family: Tahoma,Arial,Verdana,Simsun;
    font-size: 12px;
    color: #666;
    width: 1198px;
    background-color: #fff;
    border: 1px solid #dadada;
    margin: 0px auto;
    position: relative;
    .top_nav{
      font-family: Tahoma,Arial,Verdana,Simsun;
      font-size: 12px;
      color: #666;
      .nav_ul{
        font-family: Tahoma,Arial,Verdana,Simsun;
        font-size: 12px;
        color: #666;
        margin: 0;
        padding: 0;
        list-style: none;
        border-bottom: 1px solid #999;
        li{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          list-style: none;
          margin: 0;
          width: 132px;
          text-align: center;
          color: #666;
          padding: 20px 0 10px 0;
          height: 74px;
          float: left;
          border-right: 1px dotted #c7c7c7;
          cursor: pointer;
          dl{
            font-family: Tahoma,Arial,Verdana,Simsun;
            font-size: 12px;
            list-style: none;
            text-align: center;
            color: #666;
            cursor: pointer;
            margin: 0;
            padding: 0;
            width: 132px;
            dt{
              font-family: Tahoma,Arial,Verdana,Simsun;
              font-size: 12px;
              list-style: none;
              text-align: center;
              color: #666;
              cursor: pointer;
              margin: 0;
              padding: 0;
              height: 32px;
              background: url(../images/index.png) no-repeat center top;
            }
            .nav_dt2{
              background-position: center -56px;
            }
            .nav_dt3{
              background-position: center -120px;
            }
            .nav_dt4{
              background-position: center -184px;
            }
            .nav_dt7{
              background-position: center -400px;
            }
            .nav_dt8{
              background-position: center -480px;
            }
            dd{
              font-family: Tahoma,Arial,Verdana,Simsun;
              font-size: 12px;
              list-style: none;
              text-align: center;
              cursor: pointer;
              margin: 0;
              padding: 0;
              display: block;
              height: 36px;
              line-height: 36px;
              color: #676767;
            }
          }
        }
      }
    }
    .null{
      font-family: Tahoma,Arial,Verdana,Simsun;
      font-size: 12px;
      color: #666;
      width: 100px;
      height: 105px;
      display: none;
    }

    .channel{
      font-family: Tahoma,Arial,Verdana,Simsun;
      font-size: 12px;
      color: #666;
      width: 1126px;
      margin: 0px auto;
      overflow: hidden;
      .channel2{
        font-family: Tahoma,Arial,Verdana,Simsun;
        font-size: 12px;
        color: #666;
        .channel_title{
          margin: 0;
          padding: 0;
          height: 36px;
          line-height: 36px;
          color: #333;
          font-size: 16px;
          border-bottom: 1px solid #dfdfdf;
          padding-top: 20px;
          font-family: "微软雅黑";
          span{
            line-height: 36px;
            color: #333;
            font-size: 16px;
            font-family: "微软雅黑";
            display: block;
            width: 16px;
            height: 36px;
            float: left;
            background: url(../images/index2.png) no-repeat left top;
            margin-right: 5px;
            background-position: -25px 0;
          }
        }
        ul{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          color: #666;
          margin: 0;
          padding: 0;
          list-style: none;
          padding-bottom: 18px;
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            height: 36px;
            line-height: 36px;
            width: 185px;
            font-family: "宋体";
            color: #666;
            a{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              outline: none;
              cursor: pointer;
              color: #666;
              text-decoration: none;
              display: block;
              float: left;
            }
          }
        }
      }
      .channel3{
        .channel_title3{
          margin: 0;
          padding: 0;
          height: 36px;
          line-height: 36px;
          color: #333;
          font-size: 16px;
          border-bottom: 1px solid #dfdfdf;
          padding-top: 20px;
          font-family: "微软雅黑";
          span{
            line-height: 36px;
            color: #333;
            font-size: 16px;
            font-family: "微软雅黑";
            display: block;
            width: 16px;
            height: 36px;
            float: left;
            background: url(../images/index2.png) no-repeat left top;
            margin-right: 5px;
            background-position: -56px 0;
          }
        }
        ul{
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            height: 36px;
            line-height: 36px;
            width: 185px;
            font-family: "宋体";
            color: #666;
            .channel3_span1{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
            }
            .channel3_span2{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
              background-position: -64px -45px;
            }
            .channel3_span3{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
              background-position: -136px -45px;
            }
            .channel3_span4{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
              background-position: -207px -45px;
            }
            .channel3_span5{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
              background-position: -277px -45px;
            }
            .channel3_span6{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              color: #666;
              display: block;
              float: left;
              width: 26px;
              height: 30px;
              background: url(../images/index2.png) no-repeat left -45px;
              margin-right: 2px;
              background-position: -347px -45px;
            }
          }
        }
      }
      .channel4{
        font-family: Tahoma,Arial,Verdana,Simsun;
        font-size: 12px;
        color: #666;
        .channel_title4{
          margin: 0;
          padding: 0;
          height: 36px;
          line-height: 36px;
          color: #333;
          font-size: 16px;
          border-bottom: 1px solid #dfdfdf;
          padding-top: 20px;
          font-family: "微软雅黑";
          span{
            line-height: 36px;
            color: #333;
            font-size: 16px;
            font-family: "微软雅黑";
            display: block;
            width: 16px;
            height: 36px;
            float: left;
            background: url(../images/index2.png) no-repeat left top;
            margin-right: 5px;
            background-position: -88px 0;
          }
        }
        .top_ul{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          color: #666;
          margin: 0;
          padding: 0;
          list-style: none;
          width: 1200px;
          overflow: hidden;
          border-bottom: 1px dashed #aaa;
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            height: 36px;
            line-height: 36px;
            width: 185px;
            font-family: "宋体";
            color: #666;
            span{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              display: block;
              float: left;
              width: 90px;
              color: #666;
              font-weight: bold;
            }
          }
        }
        .bottom_ul{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          color: #666;
          margin: 0;
          padding: 0;
          list-style: none;
          width: 1200px;
          overflow: hidden;
          padding-bottom: 18px;
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            width: 185px;
            font-family: "宋体";
            color: #666;
            height: auto;
            line-height: 40px;
            dl{
              font-size: 12px;
              list-style: none;
              font-family: "宋体";
              color: #666;
              line-height: 40px;
              margin: 0;
              padding: 0;
              width: 55px;
              display: block;
              float: left;
              dd{
                font-size: 12px;
                list-style: none;
                font-family: "宋体";
                color: #666;
                line-height: 40px;
                margin: 0;
                padding: 0;
                a{
                  font-size: 12px;
                  list-style: none;
                  font-family: "宋体";
                  line-height: 40px;
                  outline: none;
                  cursor: pointer;
                  color: #666;
                  text-decoration: none;
                  float: left;
                  display: block;
                  width: 55px;
                }
              }
            }
          }
        }
      }
      .channel7{
        .channel_title7{
          margin: 0;
          padding: 0;
          height: 36px;
          line-height: 36px;
          color: #333;
          font-size: 16px;
          border-bottom: 1px solid #dfdfdf;
          padding-top: 20px;
          font-family: "微软雅黑";
          span{
            line-height: 36px;
            color: #333;
            font-size: 16px;
            font-family: "微软雅黑";
            display: block;
            width: 16px;
            height: 36px;
            float: left;
            background: url(../images/index2.png) no-repeat left top;
            margin-right: 5px;
            background-position: -200px 0;
          }
        }
        ul{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          color: #666;
          margin: 0;
          padding: 0;
          list-style: none;
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            height: 36px;
            line-height: 36px;
            width: 185px;
            font-family: "宋体";
            color: #666;
            a{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              outline: none;
              cursor: pointer;
              color: #666;
              text-decoration: none;
              display: block;
              float: left;
            }
          }
        }
      }
      .channel8{
        .channel_title8{
          margin: 0;
          padding: 0;
          height: 36px;
          line-height: 36px;
          color: #333;
          font-size: 16px;
          border-bottom: 1px solid #dfdfdf;
          padding-top: 20px;
          font-family: "微软雅黑";
          span{
            line-height: 36px;
            color: #333;
            font-size: 16px;
            font-family: "微软雅黑";
            display: block;
            width: 16px;
            height: 36px;
            float: left;
            background: url(../images/index2.png) no-repeat left top;
            margin-right: 5px;
            background-position: -237px 0;
          }
        }
        ul{
          font-family: Tahoma,Arial,Verdana,Simsun;
          font-size: 12px;
          color: #666;
          margin: 0;
          padding: 0;
          list-style: none;
          li{
            font-size: 12px;
            list-style: none;
            margin: 0;
            padding: 0;
            float: left;
            height: 36px;
            line-height: 36px;
            width: 185px;
            font-family: "宋体";
            color: #666;
            a{
              font-size: 12px;
              list-style: none;
              line-height: 36px;
              font-family: "宋体";
              outline: none;
              cursor: pointer;
              color: #666;
              text-decoration: none;
              display: block;
              float: left;
            }
          }
        }
      }
    }
  }
}